In the laboratory where the efficiency of photovoltaic cells is constantly setting new records, in the test room where spacecraft materials undergo rigorous tests, and in the scientific research site where the mysteries of plant growth are explored in the greenhouse... A beam of "artificial sunlight" from Saifan Optoelectronics is playing a crucial role. As a pioneer in the field of optoelectronics, Saifan Optoelectronics has developed LED solar simulators with its technological accumulation. These simulators, characterized by precision, stability and high efficiency, have become the "photodynamic engine" for breaking through innovation bottlenecks in various industries.
Technical core: Ensure that every beam of light can stand up to scientific measurement
The core competitiveness of Saifan Optoelectronics' LED solar simulator lies in its ultimate control over light. By adopting A multi-band high-precision LED array and an intelligent spectral fitting algorithm, its spectrum covers the entire band from 280nm to 1800nm, and can precisely match international standard spectra such as AM0 (space) and AM1.5G (surface), with a matching degree reaching grade A (IEC 60904-9 standard). This level of precision means that in the quantum efficiency test of perovskite cells, the 420nm blue light response data captured by the device deviates from the measured value under natural sunlight by no more than 0.3%, providing researchers with a "repeatable and traceable" experimental benchmark.
In terms of stability, the closed-loop feedback control system equipped on the device acts like a "calibrator" of light, monitoring and compensating for fluctuations in light intensity in real time, ensuring that the light intensity fluctuation rate is less than ±0.5% per hour. A comparative experiment conducted by a certain photovoltaic enterprise shows that after continuous operation for 72 hours, the standard deviation of the test data of the Saifan equipment is only 1/5 of that of the traditional xenon lamp equipment, completely solving the industry pain point that "the qualified solar cells in the morning exceed the standard in the afternoon test". The 50,000-hour lifespan of the LED light source means that a device only needs to replace the light source once within a 10-year usage cycle, reducing 37 shutdowns for maintenance compared to traditional equipment and saving over 80,000 yuan in maintenance costs annually.
Scene Breakthrough: Full-chain Empowerment from laboratory to production line
Photovoltaic research and development: Accelerating the application of high-efficiency batteries
When a certain team from the Chinese Academy of Sciences was developing perovskite/silicon tandem cells, they were unable to break through the efficiency bottleneck of 26% due to the fact that traditional equipment could not accurately simulate ultraviolet light. After introducing the Saifan simulator, the team discovered the defect repair mechanism of the perovskite layer under specific ultraviolet light through the device's ultraviolet enhancement mode (adjustable spectrum from 300 to 400nm), ultimately increasing the battery efficiency to 31.2%. The related results were published in Science. At the mass production end, the production line data of A certain TOPCon battery enterprise shows that the online detection speed of Saifan equipment has reached 60 pieces per minute. Combined with the AI sorting system, the A-grade product rate has increased from 88% to 93%, and the annual profit has increased by more than 40 million yuan.
Aerospace testing: Replicating the space lighting environment
The Beijing Institute of Aerospace Metrology has incorporated the Saifan 3A-level simulator into the testing system of spacecraft power supply systems, simulating the AM0 space spectrum in a low-temperature cabin at -40 ℃. By using the 1367W/m² standard irradiance output by the equipment, engineers precisely measured the attenuation curve of flexible solar cells in the space environment, providing key data for the design of the power supply system of the space station. This device also participated in the testing of the lunar surface photovoltaic system of the Chang 'e lunar exploration project. The simulated midday strong light environment on the lunar surface helped the team verify the working stability of the battery under extreme conditions.
Agricultural Innovation: Customized Light formulas for Plant growth
Experiments conducted at the Yunnan Flower Breeding Base have shown that by using Saifan equipment to simulate the "strong ultraviolet + high infrared" spectrum in the plateau area, the anthocyanin content in the rose petals grown has increased by 22%, and the vase life has been extended by 5 days. The "Spectral formula" function supported by the equipment can switch the light mode from tropical (high blue light) to cold (high red light) with one click. An agricultural laboratory found through this that when tomatoes were exposed to a 7:3 ratio of 660nm red light to 450nm blue light, the vitamin C content increased by 18% and the yield per mu increased by 20%.
Automobile quality inspection: Strengthening the weather resistance defense line of materials
A certain new energy vehicle manufacturer used Saifan equipment to simulate the extreme light combination of "Sahara Desert + Nordic Aurora" to conduct accelerated aging tests on automotive-grade photovoltaic car roofs. Through 1,000 hours of intense ultraviolet radiation (with an irradiance of 1.5sun), the risk of cracking of the sealant under high temperature and strong light was detected in advance. After improving the process, the product life was extended from 5 years to 8 years. In the testing of autonomous driving sensors, the scenario of "sudden changes in strong light at tunnel entrances and exits" simulated by the equipment helped enterprises optimize the anti-interference algorithm of lidar.
Service ecosystem: Solving industry pain points with customized capabilities
The "Light Enjoyment Service" system launched by Saifan Optoelectronics has broken the mindset that "standardized equipment is suitable for all scenarios". In response to the special demands of a certain photocatalytic enterprise, engineers completed the equipment renovation within 48 hours, adding a 200-300nm deep ultraviolet module, filling the domestic gap in high-precision simulation of this band. The Python control interface developed for university laboratories enables it to be linked with XRD equipment to achieve synchronous testing of "illumination - structure - performance". The seven spare parts centers distributed across the country ensure that the response time for equipment failures does not exceed two hours, and the urgent calibration needs of a certain testing institution were resolved within 12 hours.
From microscopic exploration in the laboratory to large-scale production in factories, from application testing in the Earth's environment to simulation verification in space scenarios, Saifan Optoelectronics' LED solar simulators are redefining the testing accuracy standards of various industries as the "standard setter of light". When a beam of light can be precisely regulated, stably output and customized as needed, it is no longer merely a carrier of energy but becomes a "digital twin" driving innovation - this is precisely the transformative power that Saifan Optoelectronics brings to the field of light testing.
Link Microblog
